Clamp-on double arm adjustable deck hanger with a 42" overall maximum height and a 17" reach. This is a premium product. It features plastic sleeves within the tubes that travel up and down the shaft. This ensures effortless positioning of the individual arms - without scratching the finish. Thumb screws lock the arms in place. Each piece is painted with a baked on powder coated automotive grade finish that will look great for years. Nickel plated brass end caps give this piece a contemporary and progressive appearance. This deck hanger easily holds 10# bird feeders or flower baskets. The large turning knob allows for effortless clamping to your deck rail. The clamp accommodates rails up to 3-1/2" Thick. Made in America!